MC3357

                        LOW POWER NARROW BAND FM IF

     Include Oscillator,    Mixer,    Limiting    Amplifier,     Quadrature
Discriminator, Active Filter,  Squelch,  Scan Control and Mute Switch.  The
MC3357 is designed for use in FM dual conversion communication equipment.

                                 FEATURES:
     - Low Drain Current (3,0mA typ @ Vcc=6V)
     - Exelent Sensitivity: Input Limiting Voltage:  (-3dB)=5mkV typ
     - Low Number of External Parts Required

             MAXIMUM RATINGS (Ta=25C, unless otherwise noted)
     Power Supply Voltage               Pin4       Vcc=12Vdc
     Operating Supply Voltage Range     Pin4       Vcc=4...8Vdc
     Detector Input Voltage             Pin8       1.0Vp-p
     Input Voltage (Vcc>6V)             Pin16      1.0Vrms
     Mute Function                      Pin14      -0,5...5Vpk
     Junction Temperature                -         Tj=150C
     Operating Temperature Range         -         Ta=-30...+70C

                        ELECTRICAL CHARACTERISTICS
 (Vcc=6Vdc Fo=10,7MHz dev=-+3kHz Fmod=1kHz Ta=25C unless otherwise notes)
     Drain Current                             Pin4     Min    Typ     Max
        Squelch Off                                      -     2mA      -
        Squelch On                                       -     3mA    5mA
     Input Limiting Voltage (-3dB Limiting)    Pin16     -     5mkV   10mkV
      etector Output Voltage                   Pin9      -     3Vdc     -
     Detector Output Impedance                  -        -     400 Ohm  -
     Recovered Audio Output Voltage (Vin=10mV) Pin9   200mVrms 350mVrms -
     Filter Gain (10kHz Vin=5mV)                -     40dB     46dB     -
     Filter Output Voltage                     Pin11  1,8Vdc   2Vdc   2,5Vdc
     Trigger Histeresis                         -        -     100mV    -
     Mute Function High                        Pin14     -     15Ohm  50Ohm
     Mute Function Low                         Pin14  1MOhm    10MOhm   -
     Scan Function Low (Mute Off V12=12Vdc)    Pin13     -     0Vdc   0,5Vdc
     Scan Function High (Mute On V12=Gnd)      Pin13  5Vdc      -       -
     Mixer Conversion Gain                     Pin3      -     20dB     -
     Mixer Input Resistance                    Pin16     -     3,3k     -
     Mixer Input Capacitance                   Pin16     -     2,2pF    -